diff --git a/backend/src/api/rbf-cache.ts b/backend/src/api/rbf-cache.ts
index 944ad790e..df6e10c77 100644
--- a/backend/src/api/rbf-cache.ts
+++ b/backend/src/api/rbf-cache.ts
@@ -119,7 +119,11 @@ class RbfCache {
 
 
   public add(replaced: MempoolTransactionExtended[], newTxExtended: MempoolTransactionExtended): void {
-    if (!newTxExtended || !replaced?.length || this.txs.has(newTxExtended.txid)) {
+    if ( !newTxExtended
+      || !replaced?.length
+      || this.txs.has(newTxExtended.txid)
+      || !(replaced.some(tx => !this.replacedBy.has(tx.txid)))
+    ) {
       return;
     }